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Identification of Hardening Parameters of Two-Level Statistical Model of Polycrystal Inelastic Deformation

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Russian Physics Journal Aims and scope

The paper is devoted to the problem of identification of hardening parameters of the developed two-level statistical model of polycrystal inelastic deformation taking into account dynamic recrystallization. First, the approximate values of the hardening parameters are obtained, and then they are refined as a result of formulating and solving the optimization problem using the Nelder–Mead method. The result is the set of the parameters that provides high accuracy of the empirical and calculated data on the stress-strain curves during inelastic deformation of a copper polycrystal.

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  1. Perm National Research Polytechnic University, Perm, Russia

    D. S. Bezverkhy & N. S. Kondratev

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  1. D. S. Bezverkhy
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  2. N. S. Kondratev
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Correspondence to D. S. Bezverkhy.

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Bezverkhy, D.S., Kondratev, N.S. Identification of Hardening Parameters of Two-Level Statistical Model of Polycrystal Inelastic Deformation. Russ Phys J 67, 441–448 (2024). https://doi.org/10.1007/s11182-024-03142-z

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  • DOI: https://doi.org/10.1007/s11182-024-03142-z

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